stamps.com

HTML metadata

Title

Buy Postage Online, Print USPS Stamps and Shipping Labels - Stamps.com

Description

Buy USPS postage online from your PC, easily print postage stamps and shipping labels for all USPS mail classes.

Language

en-US

Canonical

https://www.stamps.com/

Feeds

Stamps.com » Feed RSS
Stamps.com » Comments Feed RSS

Open Graph

url: https://www.stamps.com/
title: Buy Postage Online, Print USPS Stamps and Shipping Labels
locale: en_US
site name: Stamps.com
description: Buy USPS postage online from your PC, easily print postage stamps and shipping labels for all USPS mail classes.

Technology

CDN: Cloudflare
CMS: WordPress

Analytics

Google Tag Manager

Third-party hosts loaded (8)

unpkg.com×3
cdn.jsdelivr.net×1
cdn.lgrckt-in.com×1
cdn.optimizely.com×1
cdnjs.cloudflare.com×1
gmpg.org×1
obs.tostarsbuilding.com×1
www.googletagmanager.com×1

Social

Registration

Registrar

GoDaddy Corporate Domains, LLC

Created

1994-10-05

Expires

2026-10-04 137 days left

Updated

2025-09-03

Name servers

ns-1029.awsdns-00.org
ns-110.awsdns-13.com
ns-1798.awsdns-32.co.uk
ns-704.awsdns-24.net

DNS records live

NS

ns-1029.awsdns-00.org
ns-110.awsdns-13.com
ns-1798.awsdns-32.co.uk
ns-704.awsdns-24.net

MX

1 aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

TXT

Show 18 TXT records

slack-domain-verification=YVnqaPJm8NxjVHdScKUGOK21aU19qenLDJc5KtMy
globalsign-domain-verification=5CDA5828CBE509CECF4948BD17B0B420
mReBVE34RZLnQC6txWDhn/WIqxxu2kHyknvpyOo27PDTUDt6UzzxkKUTyqm9M8/qAX18j3P0NP+mKZoagFOdlQ==
MS=ms18795853
status-page-domain-verification=my92lhmfgdj0
docusign=c5e9ee1b-740d-43dc-b47c-78242880aa95
globalsign-domain-verification=4C900CF4B45C3B9FD58D1CF7E3CB421D
google-site-verification=XAXbM-njZtZPrcV5_7HGP21lE1edaD5-qh_fZTnwSNA
twilio-domain-verification=eda3fd8f532b41b929bdbfb4ca397ddc
google-gws-recovery-domain-verification=38482034
wpe-verification=sdcmainprod
globalsign-domain-verification=998C60718DED649E243B4B42FC6830F3
shopify-verification-code=snaBkm834At7kx0hcVtoItUKN7IFuy
6dc126d9e74d48f637abafa503ca1d0c.stamps.com
klaviyo-site-verification=W78HxA
google-site-verification=dhPp6UnP2dIPDLRSDlZa-qybAPGEZMPEk4qqqPo-K_o
globalsign-domain-verification=1E3AC4274E35691E4699E25EB0A6C3FC
atlassian-domain-verification=N4daQeejLnn1mqQPTgcxaBIHtEdVfr321zxsBjkY/Gq0y0v1W6v2nkNwCoUmVVOX

Email authentication strong

SPF

v=spf1 include:_u.stamps.com._spf.smart.ondmarc.com ~all

softfail (~all)

DMARC

v=DMARC1; p=quarantine; pct=100; sp=quarantine; rua=mailto:44bdd8b1@inbox.ondmarc.com; ruf=mailto:44bdd8b1@inbox.ondmarc.com; adkim=r; aspf=r; fo=1; rf=afrf; ri=3600

policy: quarantine · sp=quarantine

DKIM

Show 5 DKIM selectors

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjQ7UNg4kaebeFrpI0ArxYhY/+YjpJTn/aTdovEL7GBxsbYaVboUz9UcoS4ZhlbUWRnK36kaYOhWD08…
selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC32XckGGKUEnvsFVxHwoSB/beLFuKbTD6QnT4kRi6zFuqZ2rsuq+WWdZv5Huzx3b6Q/AGMPXwbBwa+FAddv+…
selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlW5PQ4J1sd4DZAobGjSYlL3DHwHAkS3adlRXm/32J6cgJM3ivJn+v2+Xxs4DSY1IxwvDrJ2SZk8zNd…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1d88kMmQhpFKxmR1Kz6AjvsKoDirPvP9JxBQHTGxxUwqFNkvx6TCEBxg730AkefVSgvg+3S/0QPwMydFKN…
s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCzQy//HfDNlvXuG1rEwweqSPJEDP5DneKCIp9NuSkjXk6MKMDQpmnl+LGq9BE5C4iOk0X9PMDfRmRs+KthV14HxE…

selectors probed

Certificate (current)

WE1

from 2026-04-19 to 2026-07-18

Expires in 60 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://www.stamps.com/

present

strict-transport-security
content-security-policy
x-content-type-options
referrer-policy
permissions-policy

findings

CSP uses wildcard sources
missing frame protection

Header values

referrer-policy: strict-origin-when-cross-origin
permissions-policy: geolocation=(), midi=(), microphone=(), camera=(), magnetometer=(), gyroscope=(), fullscreen=(self), payment=()
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self' https://store.stamps.com https://*.mybigcommerce.com https://*.myshopify.com https://*.stamps.com https://*.endicia.com
strict-transport-security: max-age=31536000; includeSubDomains;